:root {
  --input: #09130f;
  --sidebar: #08120f;
  --topbar: rgba(7, 16, 14, .88);
  --green-ink: #07100e;
  --blue: #8c9cff;
  --shadow: rgba(0, 0, 0, .45);
}

:root[data-theme="arctic"] {
  --bg: #edf3f1;
  --surface: #ffffff;
  --surface2: #e5eeeb;
  --input: #f8fbfa;
  --sidebar: #f7faf9;
  --topbar: rgba(246, 250, 248, .92);
  --line: #cedbd6;
  --line2: #aebfb8;
  --text: #14231e;
  --muted: #5b7168;
  --green: #087a57;
  --green2: #0b966b;
  --green-ink: #ffffff;
  --red: #b4232e;
  --amber: #8a5b00;
  --blue: #4657b8;
  --shadow: rgba(25, 55, 44, .14);
}

:root[data-theme="ember"] {
  --bg: #17100d;
  --surface: #211713;
  --surface2: #2d1e18;
  --input: #140d0a;
  --sidebar: #130d0a;
  --topbar: rgba(23, 16, 13, .9);
  --line: #493128;
  --line2: #684536;
  --text: #fff2e8;
  --muted: #bea697;
  --green: #f1a45f;
  --green2: #ffc38a;
  --green-ink: #24120a;
  --red: #ff7f72;
  --amber: #ffd166;
  --blue: #bd9cff;
  --shadow: rgba(0, 0, 0, .48);
}

body { background: radial-gradient(circle at 85% -20%, color-mix(in srgb, var(--green) 15%, transparent), transparent 38%), var(--bg); }
.login-card { background: color-mix(in srgb, var(--surface) 94%, transparent); box-shadow: 0 32px 100px var(--shadow); }
.brand-mark, .primary { color: var(--green-ink); }
input, select { background: var(--input); }
select option { background: var(--input); color: var(--text); }
.sidebar { background: var(--sidebar); }
.topbar { background: var(--topbar); }
.hero-metric { background: linear-gradient(120deg, var(--surface2), var(--surface)); }
.segmented, .backtest-metrics div { background: var(--input); }
.risk-note { background: var(--surface2); }

:root[data-theme="arctic"] .login-shell { background: linear-gradient(120deg, rgba(237, 243, 241, .93), rgba(224, 236, 231, .8)), repeating-linear-gradient(90deg, transparent 0 79px, rgba(8, 122, 87, .04) 80px), repeating-linear-gradient(0deg, transparent 0 79px, rgba(8, 122, 87, .04) 80px); }
:root[data-theme="arctic"] .nav-item.active { background: #dcebe5; }
:root[data-theme="arctic"] .secondary:hover, :root[data-theme="arctic"] .nav-item:hover { background: rgba(20, 35, 30, .05); }
:root[data-theme="arctic"] .danger { background: #fff0f1; color: #9b1c27; border-color: #e5a8ad; }
:root[data-theme="arctic"] .toast { background: #e0f2e9; border-color: #79b99e; box-shadow: 0 12px 40px var(--shadow); }
:root[data-theme="arctic"] dialog { box-shadow: 0 30px 100px var(--shadow); }

:root[data-theme="ember"] .login-shell { background: linear-gradient(120deg, rgba(18, 10, 7, .9), rgba(37, 22, 15, .78)), repeating-linear-gradient(90deg, transparent 0 79px, rgba(241, 164, 95, .035) 80px), repeating-linear-gradient(0deg, transparent 0 79px, rgba(241, 164, 95, .035) 80px); }
:root[data-theme="ember"] .nav-item.active { background: #342119; }
:root[data-theme="ember"] .segmented button.active.buy { background: #3b2c1e; }

.topbar-actions { display: flex; align-items: center; gap: 24px; }
.theme-control { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.theme-control select { width: 108px; height: 34px; padding: 0 28px 0 10px; font-size: 11px; }
.metrics-grid { grid-template-columns: 1.3fr repeat(4, 1fr); }
.trend-metric strong { font-size: 17px; }

.market-summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 20px; }
.market-layout { display: grid; grid-template-columns: minmax(480px, 1.05fr) minmax(420px, .95fr); gap: 20px; align-items: start; }
.market-catalog-panel, .trend-panel { min-width: 0; }
.market-panel-head { margin-bottom: 14px; }
.market-toolbar { display: grid; grid-template-columns: 1fr 160px; gap: 10px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.market-toolbar input, .market-toolbar select { height: 40px; }
.market-list { max-height: 610px; overflow: auto; scrollbar-color: var(--line2) transparent; }
.market-row { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(110px, .7fr) auto; gap: 16px; align-items: center; padding: 13px 2px; border-bottom: 1px solid var(--line); }
.market-row > div > strong, .market-row > div > span { display: block; }
.market-row > div > span { color: var(--muted); font-size: 10px; margin-top: 4px; }
.market-row > div > strong { font-size: 13px; }
.market-actions { display: flex; align-items: center; gap: 9px; }
.market-actions .quiet { min-height: 32px; color: var(--green); }
.watch-button { min-height: 32px; min-width: 76px; padding: 0 10px; border: 1px solid var(--line2); background: transparent; color: var(--muted); font-size: 11px; }
.watch-button.active { color: var(--green); border-color: color-mix(in srgb, var(--green) 45%, var(--line)); background: color-mix(in srgb, var(--green) 8%, transparent); }
.watch-button:disabled { opacity: .65; cursor: not-allowed; }
.catalog-limit { color: var(--muted); font-size: 11px; text-align: center; padding: 14px; }

.inline-select { display: flex; align-items: center; gap: 8px; }
.inline-select select { width: 105px; height: 34px; font-size: 11px; }
.trend-disclaimer { border-left: 2px solid var(--blue); background: color-mix(in srgb, var(--blue) 7%, var(--surface)); padding: 12px 14px; margin-bottom: 12px; }
.trend-disclaimer strong { font-size: 12px; }
.trend-disclaimer p { color: var(--muted); font-size: 11px; line-height: 1.5; margin: 4px 0 0; }
.trend-results { display: grid; gap: 10px; max-height: 610px; overflow: auto; padding-right: 2px; scrollbar-color: var(--line2) transparent; }
.trend-card { border: 1px solid var(--line); border-left: 3px solid var(--muted); padding: 15px; background: color-mix(in srgb, var(--surface2) 55%, var(--surface)); color: var(--text) !important; }
.trend-card.positive { border-left-color: var(--green); }
.trend-card.negative { border-left-color: var(--red); }
.trend-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.trend-card-head strong, .trend-card-head span { display: block; }
.trend-card-head strong { font-family: var(--mono); font-size: 14px; }
.trend-card-head span { color: var(--muted); font-size: 11px; margin-top: 4px; }
.trend-card.positive .trend-card-head span, .trend-card.positive .trend-card-head em { color: var(--green); }
.trend-card.negative .trend-card-head span, .trend-card.negative .trend-card-head em { color: var(--red); }
.trend-card-head em { color: var(--muted); font-family: var(--mono); font-size: 12px; font-style: normal; }
.trend-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); margin-top: 13px; }
.trend-stats div { background: var(--surface); padding: 9px; }
.trend-stats span, .trend-stats strong { display: block; }
.trend-stats span { color: var(--muted); font-size: 9px; text-transform: uppercase; }
.trend-stats strong { font-family: var(--mono); font-size: 11px; margin-top: 5px; }
.trend-card details { margin-top: 11px; font-size: 11px; color: var(--muted); }
.trend-card summary { cursor: pointer; color: var(--text); font-weight: 700; }
.trend-card ul { padding-left: 18px; line-height: 1.55; }
.risk-flag { color: var(--amber); border-top: 1px solid var(--line); padding-top: 9px; }
.signal-loader { width: 26px; height: 26px; border: 2px solid var(--line2); border-top-color: var(--green); border-radius: 50%; animation: spin .8s linear infinite; margin-bottom: 13px; }
@keyframes spin { to { transform: rotate(360deg); } }

button:disabled { opacity: .55; cursor: not-allowed; }

.heading-actions { display: flex; gap: 10px; }
.brain-status-grid { display: grid; grid-template-columns: 1.25fr repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 20px; }
.brain-action-metric { background: linear-gradient(125deg, color-mix(in srgb, var(--green) 9%, var(--surface2)), var(--surface)); }
.brain-main-grid { display: grid; grid-template-columns: minmax(480px, 1.2fr) minmax(380px, .8fr); gap: 20px; align-items: start; margin-bottom: 20px; }
.brain-decision-panel, .brain-control-panel { min-width: 0; }
.brain-narrative { font-size: 18px; line-height: 1.55; margin: 4px 0 24px; max-width: 780px; }
.conviction-line { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.conviction-track { height: 10px; position: relative; background: linear-gradient(90deg, color-mix(in srgb, var(--red) 30%, var(--surface2)), var(--surface2) 50%, color-mix(in srgb, var(--green) 30%, var(--surface2))); border: 1px solid var(--line2); }
.conviction-track b { position: absolute; left: 50%; top: -4px; bottom: -4px; width: 1px; background: var(--text); opacity: .55; }
.conviction-track i { position: absolute; top: 1px; bottom: 1px; transition: width .35s ease, left .35s ease; }
.conviction-track i.bullish { background: var(--green); }
.conviction-track i.bearish { background: var(--red); }
.brain-explanation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 25px; }
.brain-explanation-grid h4, .brain-data-list h4 { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin: 0 0 10px; }
.brain-explanation-grid ul { margin: 0; padding-left: 18px; font-size: 12px; line-height: 1.65; }
.compact-stack { margin-top: 0; gap: 12px; }
.compact-stack input, .compact-stack select { height: 40px; }
.check-row { display: flex; align-items: flex-start; gap: 10px; color: var(--text); line-height: 1.45; cursor: pointer; }
.check-row input { width: 16px; height: 16px; flex: 0 0 auto; margin-top: 1px; accent-color: var(--green); }
.danger-badge { color: var(--red); border-color: color-mix(in srgb, var(--red) 38%, var(--line)); background: color-mix(in srgb, var(--red) 8%, var(--surface)); }
.warning-text { color: var(--amber) !important; }
.brain-evidence-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.timeframe-card { padding: 17px; border-top: 3px solid var(--muted); }
.timeframe-card.bullish { border-top-color: var(--green); }
.timeframe-card.bearish { border-top-color: var(--red); }
.timeframe-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.timeframe-head span, .timeframe-head strong { display: block; }
.timeframe-head span { color: var(--muted); font-size: 10px; text-transform: uppercase; }
.timeframe-head strong { font-size: 13px; margin-top: 5px; }
.timeframe-head em { font: 12px var(--mono); font-style: normal; color: var(--muted); }
.timeframe-card.bullish .timeframe-head strong, .timeframe-card.bullish .timeframe-head em { color: var(--green); }
.timeframe-card.bearish .timeframe-head strong, .timeframe-card.bearish .timeframe-head em { color: var(--red); }
.timeframe-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); margin: 14px 0; }
.timeframe-stats div { background: var(--surface2); padding: 8px; }
.timeframe-stats span, .timeframe-stats strong { display: block; }
.timeframe-stats span { color: var(--muted); font-size: 8px; text-transform: uppercase; }
.timeframe-stats strong { font: 11px var(--mono); margin-top: 4px; }
.timeframe-card > p { color: var(--muted); font-size: 10px; line-height: 1.5; margin: 0; }
.brain-secondary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 20px; }
.brain-data-list { display: grid; gap: 10px; }
.brain-data-list .preview-row { margin: 0; }
.brain-data-list h4 { margin-top: 8px; }
.crash-days { list-style: none; padding: 0; margin: 0; display: grid; gap: 7px; }
.crash-days li { display: flex; justify-content: space-between; color: var(--muted); font-size: 11px; }
.crash-days strong { color: var(--red); font-family: var(--mono); }
.brain-log-panel { margin-top: 0; }
.brain-log-row { display: grid; grid-template-columns: 155px 90px 1fr 110px; gap: 14px; align-items: center; border-top: 1px solid var(--line); padding: 12px 0; font-size: 11px; }
.brain-log-row time, .brain-log-row span, .brain-log-row small { color: var(--muted); }
.brain-log-row small { text-align: right; text-transform: uppercase; }

@media (max-width: 1100px) {
  .metrics-grid { grid-template-columns: repeat(3, 1fr); }
  .market-layout { grid-template-columns: 1fr; }
  .market-list, .trend-results { max-height: 500px; }
  .brain-status-grid { grid-template-columns: repeat(3, 1fr); }
  .brain-main-grid { grid-template-columns: 1fr; }
  .brain-evidence-grid { grid-template-columns: 1fr 1fr; }
  .brain-secondary-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .market-summary-grid { grid-template-columns: 1fr 1fr; }
  .topbar-actions { gap: 12px; }
  .theme-control > span { display: none; }
  .brain-secondary-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .theme-control select { width: 92px; }
  .safety-status { display: none; }
  .market-summary-grid { grid-template-columns: 1fr 1fr; }
  .market-toolbar { grid-template-columns: 1fr; }
  .market-row { grid-template-columns: 1fr auto; }
  .market-row > div:nth-child(2) { display: none; }
  .trend-stats { grid-template-columns: 1fr 1fr; }
  .market-layout { gap: 12px; }
  .market-list { max-height: 540px; }
  .trend-results { max-height: 720px; }
  .heading-actions { width: 100%; }
  .heading-actions button { flex: 1; }
  .brain-status-grid { grid-template-columns: 1fr 1fr; }
  .brain-main-grid, .brain-evidence-grid { grid-template-columns: 1fr; gap: 12px; }
  .brain-explanation-grid { grid-template-columns: 1fr; }
  .brain-log-row { grid-template-columns: 1fr auto; gap: 5px 10px; }
  .brain-log-row span { grid-column: 1 / -1; }
  .brain-log-row small { grid-column: 2; grid-row: 1; }
}